This allows to fetch merged opening hours instead of actually edited
opening hours.
They will be merged per valid time span.
The data structure is a bit different as each time span has a list of
week days, each with its own open and end.
Relates: #10246
Opening hours are filtered. Opening hours from the past are no longer
available.
Opening hours are sorted. Newer opening hours are shown last.
Relates: #10185
Allows to import entity of type TouristAttraction.
Right now only in German, as this is most important.
Add output of tourist attraction via custom content element.
Provide first basic import mechanism.
It already allows to import entities into TYPO3 database.
Three entities are supported.
Entities are configured through import configuration.
This can be created, viewed, and edited through backend module.
Imports are tracked and accessible from backend module.
Still this is basic.
Importing lists of entities is not supported.
Multiple languages is not supported, etc.
Relates: #8214
